Pith Number

pith:XXUHYMCY

pith:2018:XXUHYMCYNIJP7TFA7LP64KGGQS

not attested not anchored not stored refs pending

Reconstruction of joint photon-number distributions of twin beams incorporating spatial noise reduction

Jan Perina Jr, Ondrej Haderka, Vaclav Michalek

arxiv:1812.03470 v1 · 2018-12-09 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XXUHYMCYNIJP7TFA7LP64KGGQS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:58:46.204233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bde87c30586a12ffcca0fadfee28c684b014505eeea3ae78aba2fdb64d9143f8

Aliases

arxiv: 1812.03470 · arxiv_version: 1812.03470v1 · doi: 10.48550/arxiv.1812.03470 · pith_short_12: XXUHYMCYNIJP · pith_short_16: XXUHYMCYNIJP7TFA · pith_short_8: XXUHYMCY

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XXUHYMCYNIJP7TFA7LP64KGGQS \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: bde87c30586a12ffcca0fadfee28c684b014505eeea3ae78aba2fdb64d9143f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b0fea3882fefaa3fae50962eee376014347dcb51e221e165f7490a3b294a89d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-12-09T12:20:46Z",
    "title_canon_sha256": "91154232198e3a7474c90a056d1f7c74ad31bac2c208be03a11de3c78ec8b23c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03470",
    "kind": "arxiv",
    "version": 1
  }
}